Stat Day 8

Day 8
Hypothesis Tests
Is the coin fair - P(Heads) = 0.5?
Test and see - Observed (from the test) and Expected (based on theory)








Correlation
Based on a scatterplot - this word doc covers basic ideas and includes an assingment using the applet below.
Correlation "movie" -
http://www.causeweb.org/repository/statjava/CorrMovieApplet.html

Guess the correlation applet -
http://statweb.calpoly.edu/chance/applets/guesscorrelation/GuessCorrelation.html



Correlation vs causation -
http://en.wikipedia.org/wiki/Correlation_does_not_imply_causation




Coin Flip -
http://www.math.usu.edu/~schneit/CTIS/PValue/